Comparison

Open String Guitar Chords vs iChanges

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Open String Guitar Chords

Explore a vast collection of open string guitar chords with multiple voicings and transposition options. This app provides instant playback, optimal fingerings, and scale degree information for musicians of all levels.

Highlights
  • 596 open string chords
  • Chord transposition with capo
  • Optimal fingerings provided
  • Instant chord playback
  • 3 guitar sound banks
  • Scale degree display
Features
Read full description

This application contains a unique collection of beautiful air open string chords which differs drastically from our other previously released chord applications. Thanks to the open strings you can get a very wide fingerings, and when you transpose chord you can use a capo. In the 1960's one of the first guitarists who used open-string chords was Chet Atkins and Merle Travis. After, such guitarists as Lenny Breau and Tommy Emmanuel were using these chords in their music. Later, chords with open strings were used by such famous great guitarists as John McLaughlin, Pat Metheny, Paco de Lucia, Al Di Meola, Nuno Bettencourt and others. These chords are found in all styles of music, from classical to progressive metal. Open String Guitar Chords app is not only just a collection of chords (when "Slow" or "Fast" behavior selected), but it also shows their possible voicings (when "Auto" behavior selected). Both beginners and professionals can benefit from this app and take enough material for their music. ●●●●● Features: --------------- ● 596 different open string chords, which can be easily transposed (using a capo) to any desired key, resulting in about 5,000 of total open string chords! ● transpose chords to any desired key by dragging notes on the screen with your finger. A capo will appear on the fretboard when you transpose open string chords ● only the best sounding chords were selected for you and presented in this collection ● every chord provided with corresponding optimal fingerings for your comfort ● degree feature to see scale degree of selected note ● instant playback of selected chord with acoustic guitar sounds ● 3 guitar sound banks to select from: Acoustic, Piezo and Chorused ● note names are displayed inside the playback cursor ● sharp and flat signatures correspond to the current chord's key ● 3 modes (behaviors) of chord's playback: Slow, Fast and Auto ● manual step by step note playback in both directions ● manual note selection by tapping notes on the screen ● designed for both iPhone and iPad For support and more info about this and other products please visit our website: http://www.fonexsis.com

About

iChanges

Features
Read full description

Master jazz harmony directly on your instrument. iChanges helps jazz musicians train chord tones, target notes and jazz changes through active playing instead of pure theory. Use your trumpet, saxophone, piano, guitar or any melodic instrument with real-time pitch detection, or practice silently with the built-in keyboard. Features: • Real-time pitch detection using your microphone • Built-in piano keyboard for silent practice • 15 chord types including Maj7, Min7, Dom7, Alt7, Half-Diminished and more • All 12 keys supported • Transposition for C, Bb, Eb, F and G instruments • Random practice mode • Song mode with MusicXML import • Adjustable tempo and chord duration • Practice chord tones, tensions and alterations • Select specific target notes or train randomly • Local progress tracking and statistics • 14-day learning history Whether you are learning your first ii-V-I progression or refining altered dominant vocabulary, iChanges provides focused, practical training designed for real musicians. No account required. No subscriptions. No ads.

Screenshots

Open String Guitar Chords4 screens
iChanges4 screens

Verdict

The call

The clearest difference is update cadence: iChanges at every 3 weeks against Open String Guitar Chords's every 7 months. iChanges also leads on price ($3.99 vs $7.99). Open String Guitar Chords's advantage is iOS requirement (11.0 vs 13.0). On ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Open String Guitar Chords costs $7.99 and iChanges $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Open String Guitar Chords ships an update every 7 months, iChanges every 3 weeks. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 7 level
Open String Guitar Chords versus iChanges: the parameters behind the verdict, then further details
ParameterOpen String Guitar ChordsiChanges
Price$7.99$3.99 — better
Rating4.7 (3 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 7 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better13.0
Further details — not scored
Size34 MB21 MB
Age rating4+4+
DeveloperFonexsisKlaus Storck

In-app purchases

None

Open String Guitar Chords

No in-app purchases

None

iChanges

No in-app purchases

Questions

Is Open String Guitar Chords free?
Open String Guitar Chords costs $7.99, with no in-app purchases.
Is iChanges free?
iChanges costs $3.99, with no in-app purchases.
Do Open String Guitar Chords or iChanges have ads?
Neither Open String Guitar Chords nor iChanges shows ads.
Which is updated more often, Open String Guitar Chords or iChanges?
Open String Guitar Chords ships an update every 7 months, and iChanges every 3 weeks. Most recently, Open String Guitar Chords was updated on November 3, 2026 and iChanges on October 25, 2026.

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